/*
* This file is part of NucleusFramework for Bukkit, licensed under the MIT License (MIT).
*
* Copyright (c) JCThePants (www.jcwhatever.com)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.jcwhatever.nucleus.internal.managed.scripting.api;
import com.jcwhatever.nucleus.Nucleus;
import com.jcwhatever.nucleus.collections.observer.subscriber.SubscriberArrayDeque;
import com.jcwhatever.nucleus.collections.observer.subscriber.SubscriberLinkedList;
import com.jcwhatever.nucleus.managed.items.floating.IFloatingItem;
import com.jcwhatever.nucleus.managed.scripting.items.IScriptItem;
import com.jcwhatever.nucleus.mixins.IDisposable;
import com.jcwhatever.nucleus.utils.PreCon;
import com.jcwhatever.nucleus.utils.observer.ISubscriber;
import com.jcwhatever.nucleus.utils.observer.script.IScriptUpdateSubscriber;
import com.jcwhatever.nucleus.utils.observer.script.ScriptUpdateSubscriber;
import org.bukkit.Location;
import org.bukkit.entity.Entity;
import org.bukkit.entity.Player;
import org.bukkit.inventory.ItemStack;
import javax.annotation.Nullable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.Map;
import java.util.UUID;
import java.util.WeakHashMap;
/**
* Sub script API for named {@link ItemStack}'s that can be retrieved by scripts.
*/
public class SAPI_Items implements IDisposable {
static {
Collection<IFloatingItem> floatingItems = new ArrayList<>(
Nucleus.getFloatingItems().getAll(Nucleus.getPlugin()));
for (IFloatingItem item : floatingItems) {
Nucleus.getFloatingItems().remove(Nucleus.getPlugin(), item.getName());
}
}
private final Map<IFloatingItem, Void> _floatingItems = new WeakHashMap<>(20);
private final SubscriberArrayDeque<ISubscriber> _subscribers = new SubscriberArrayDeque<>(20);
private boolean _isDisposed;
@Override
public boolean isDisposed() {
return _isDisposed;
}
@Override
public void dispose() {
Iterator<IFloatingItem> iterator = _floatingItems.keySet().iterator();
while (iterator.hasNext()) {
IFloatingItem item = iterator.next();
Nucleus.getFloatingItems().remove(Nucleus.getPlugin(), item.getName());
iterator.remove();
}
while (!_subscribers.isEmpty()) {
ISubscriber subscriber = _subscribers.remove();
subscriber.dispose();
}
_isDisposed = true;
}
/**
* Get a script item by name.
*
* @param name The name of the script item.
*/
public ItemStack get(String name) {
PreCon.notNullOrEmpty(name);
IScriptItem item = Nucleus.getScriptManager().getItems().get(name);
PreCon.isValid(item != null, "A script item named '{0}' was not found.", name);
return item.getItem();
}
/**
* Create floating item from an item stack and location.
*
* @param itemStack The item stack.
* @param location The location the item will spawn in.
*/
@Nullable
public IFloatingItem createFloatingItem(ItemStack itemStack, @Nullable Location location) {
PreCon.notNull(itemStack);
IFloatingItem floatingItem = Nucleus.getFloatingItems().add(
Nucleus.getPlugin(), UUID.randomUUID().toString(),
itemStack.clone(), location);
if (floatingItem != null)
_floatingItems.put(floatingItem, null);
return floatingItem;
}
/**
* Dispose floating item.
*
* @param item The item to remove and dispose.
*
* @return True if successful.
*/
public boolean disposeFloatingItem(IFloatingItem item) {
return Nucleus.getFloatingItems().remove(Nucleus.getPlugin(), item.getName());
}
/**
* Add an item pickup handler.
*
* @param item The item to add the callback to.
* @param callback The callback to run when the item is picked up.
*/
public void onPickup(IFloatingItem item, IScriptUpdateSubscriber<Player> callback) {
PreCon.notNull(item);
PreCon.notNull(callback);
ScriptUpdateSubscriber<Player> subscriber = new ScriptUpdateSubscriber<>(callback);
item.onPickup(subscriber);
_subscribers.add(subscriber);
}
/**
* Add an item pickup handler.
*
* <p>Called whenever a player tries to pickup an item, regardless of outcome.</p>
*
* @param item The item to add the callback to.
* @param callback The callback to run when an item pickup is attempted.
*/
public void onTryPickup(IFloatingItem item, IScriptUpdateSubscriber<Player> callback) {
PreCon.notNull(item);
PreCon.notNull(callback);
ScriptUpdateSubscriber<Player> subscriber = new ScriptUpdateSubscriber<>(callback);
item.onTryPickup(subscriber);
_subscribers.add(subscriber);
}
/**
* Add an item spawn handler.
*
* @param item The name of the floating item.
* @param callback The callback to run when the item is spawned.
*/
public void onSpawn(IFloatingItem item, IScriptUpdateSubscriber<Entity> callback) {
PreCon.notNull(item);
PreCon.notNull(callback);
ScriptUpdateSubscriber<Entity> subscriber = new ScriptUpdateSubscriber<>(callback);
item.onSpawn(subscriber);
_subscribers.add(subscriber);
}
/**
* Add an item despawn handler.
*
* @param item The name of the floating item.
* @param callback The callback to run when the item is despawned.
*/
public void onDespawn(IFloatingItem item, IScriptUpdateSubscriber<Entity> callback) {
PreCon.notNull(item);
PreCon.notNull(callback);
ScriptUpdateSubscriber<Entity> subscriber = new ScriptUpdateSubscriber<>(callback);
item.onDespawn(subscriber);
_subscribers.add(subscriber);
}
}